/*
 * Copyright 2002-2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sshine.solon.rabbitmq.core;

import com.sshine.solon.rabbitmq.builder.BindingBuilder;

import java.util.Map;

/**
 * Simple container collecting information to describe a binding. Takes String destination and exchange names as
 * arguments to facilitate wiring using code based configuration. Can be used in conjunction with {@link AmqpAdmin}, or
 * created via a {@link BindingBuilder}.
 *
 * @author Mark Pollack
 * @author Mark Fisher
 * @author Dave Syer
 * @author Gary Russell
 * @see AmqpAdmin
 */
public class Binding extends AbstractDeclarable {

    /**
     * The binding destination.
     */
    public enum DestinationType {

        /**
         * Queue destination.
         */
        QUEUE,

        /**
         * Exchange destination.
         */
        EXCHANGE;
    }

    private final String destination;

    private final String exchange;

    private final String routingKey;

    private final DestinationType destinationType;

    private final String id;

    public Binding(String destination, DestinationType destinationType, String exchange, String routingKey,
                   Map<String, Object> arguments) {

        super(arguments);
        this.destination = destination;
        this.destinationType = destinationType;
        this.exchange = exchange;
        this.routingKey = routingKey;
        id = destination + "-" + exchange + "-" + routingKey + "-" + destinationType;
    }

    public String getDestination() {
        return this.destination;
    }

    public DestinationType getDestinationType() {
        return this.destinationType;
    }

    public String getExchange() {
        return this.exchange;
    }

    public String getRoutingKey() {
        return this.routingKey;
    }

    public boolean isDestinationQueue() {
        return DestinationType.QUEUE.equals(this.destinationType);
    }

    public String getId() {
        return id;
    }

    @Override
    public String toString() {
        return "Binding [destination=" + this.destination + ", exchange=" + this.exchange + ", routingKey="
                + this.routingKey + ", arguments=" + getArguments() + "]";
    }

}
